-----Original Message-----
From: Andrew Roberts [mailto:arobs@u.washington.edu]
Sent: Tuesday, December 16, 2003 5:48 PM
To: Larry Cornett
Subject: Re: [oletrucks] gear ratio
Hi Larry,
I'm guessing this was tested with only one wheel off the ground, right?
If so, you accurately measured the number of driveshaft turns needed to
turn one of the rear wheels one revolution. To turn both rear wheels,
you'd have to turn the driveshaft twice as far, so multiply 2.05 by two
to
get 4.10, which is really close to the common ratio of 4.11:1. You most
likely have 9 teeth on the pinion and 37 on the ring.
Hope this helps,
Andrew Roberts
1949 3600
Shoreline, WA, USA
On Tue, 16 Dec 2003, Larry Cornett wrote:
> Date: Tue, 16 Dec 2003 12:26:22 -0800
> From: Larry Cornett <larry@cornett.net>
> To: 'Oletrucks' <oletrucks@autox.team.net>
> Subject: [oletrucks] gear ratio
>
> Can someone smarter than me tell me what my gear ratio is if it takes
> approximately 2.05 revolutions of the drive shaft to turn the rear
tire
> one full revolution?
> Thanks,
> Larry
>
>
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